A ductile metal becomes harder and stronger as it is subjected to cold working
对
举一反三
- A ductile metal becomes harder and stronger as it is subjected to cold working
- A ductile metal becomes harder and stronger as it is subjected to cold working A: 正确 B: 错误
- How is the ductility of a metal normally affected by cold working?Why?
- Communication has created a world economy in which working smarter is more important than______. A: work harder B: working harder C: to work harder D: to working harder
- 重结晶过程中,力学性能会发生什么改变? A: harder B: weaker C: more ductile D: softer
内容
- 0
重结晶过程中,力学性能会发生什么改变? A: Harder B: Weaker C: more ductile D: softer
- 1
中国大学MOOC: Natural rubber usually is much stronger and harder than vulcanized rubber.
- 2
Natural rubber usually is much stronger and harder than vulcanized rubber. A: 正确 B: 错误
- 3
Concrete can be made stronger under tension by adding metal rods, wires, mesh or cables to the composite.( )
- 4
The new trend here is _______ in the cold! A: work out B: working out C: working